body { font-family:Verdana; font-size:14px; margin:0;}

#container {margin:0 auto; width:100%;}
#header { height:58px; background:#6cf; margin-bottom:5px;}
#mainContent { height:500px; margin-bottom:5px;}
#sidebar { float:left; width:300px; height:500px; background:#9ff;}
#content { margin-left:305px !important; margin-left:302px; height:500px; background:#fff;}